Self-contained toothbrush



FIG. 1 is a perspective view of a self-contained toothbrush showing my new design;

FIG. 2 is an exploded perspective view thereof;

FIG. 3 is a top plan view of the device as shown in FIG. 1;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a left-sided elevation view, the right side view being a mirror image thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a self-contained toothbrush, as shown and described. 